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Finding the Fourth Proportional to 312,450.60, 468,395.24 and 112,724.04

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Solution

The fourth proportional to 312,450.60, 468,395.24 and 112,724.04 is: 168,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,450.60 : 468,395.24 = 112,724.04 : x
  2. Step 2: Convert to fraction form
    312,450.60/468,395.24 = 112,724.04/x
  3. Step 3: Cross multiply
    312,450.60x = 468,395.24 × 112,724.04
  4. Step 4: Simplify right side
    312,450.60x = 52,799,403,205.95
  5. Step 5: Solve for x
    x = 52,799,403,205.95/312,450.60
  6. Step 6: Final answer
    x = 168,984.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.